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NSAI Issues Report On Company's North Slope Shale Oil

SAN DIEGO, Aug. 21, 2013 (GLOBE NEWSWIRE) --
Royale Energy, Inc. (Nasdaq:ROYL) today, in cooperation with Rampart Energy, is pleased to announce the results of a study performed by Netherland, Sewell & Associates, Inc. Worldwide Petroleum Consultants, (NSAI),
www.netherlandsewell.com , to evaluate the prospective resources in their shale acreage on the North Slope of Alaska. Using available data from existing wellbore penetrations and analog shale plays, they determined that the acreage is a qualified Prospective Resource with an average recovery rate of 3,995 barrels of oil per acre from the combined shale intervals.

Based upon estimated drilling density of 160 acres per well, this equates to 639,119 barrels of oil per well drilled. Total Original Oil in Place and Total Recovery per acre is divided between the three intervals as follows:

OOIP Total (BBL/acre)

EUR Total (BBL/acre)

Low

Best

High

Mean

Low

Best

High

Mean

HRZ

2,723

13,255

35,174

16,635

123

578

1,775

809

Kingak

6,631

37,383

96,748

45,091

263

1,459

4,661

2,120

Shublik

4,934

16,327

35,298

18,747

246

899

2,037

1,066

Total

14,288

66,965

167,220

80,473

632

2,936

8,473

3,995

The report covers 96,882 acres including 39,539 acres that the companies have agreed to jointly develop (Western Block), 17,139 acres owned by Royale (Central Block) in which Rampart has future rights to acquire, and 40,204 acres (Eastern Block) owned exclusively by Royale. The table below represents the total Estimated Ultimate Recovery (EUR) from the combined acreage:

EUR Total (MBBL)

Area

Gross Acres

Low

Best

High

Mean

West

39,539

24,998

116,091

335,031

157,938

Central

17,139

10,836

50,322

145,226

68,462

East

40,204

25,418

118,044

340,665

160,595

Sub Total:

96,882

61,252

284,457

820,922

386,995

Preparation for a seismic survey has already begun with the field work on an archeological survey of the area. Final engagement of the contractor is expected imminently, and data is expected to be available by the second quarter of 2014.